Method for preparing levulinic acid esters
US9464025B2 · kind B2 · utility
1Cited by
0References
14Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Jun 28, 2013 |
| Grant date | Oct 11, 2016 |
| Priority date | — |
| Expiry date | Jun 29, 2033 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P20/54
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A method for preparing at least one ester of levulinic acid from a biomass includes steps of impregnating the biomass by an organic or inorganic acid, and putting the acidified biomass in contact with a supercritical fluid including at least one olefin.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.